就近原则（谓语动词单复数的选择要看离谓语动词最近的名词）1. There be 教室里有一个老师和三个学生。There is a teacher and three students in the classroom.There are three students and a teacher in the classroom.2. eitherorTOM或者MARY决定参加这个比赛。Either Tom or Mary decides to take part in the competition.3. neithernorTOM和MARY决定都不参加这个比赛。Neither Tom nor Mary decides to take part in the competition.4. not onlybut alsoTOM和MARY决定都参加这个比赛。Not only Tom but also Mary decides to take part in the competition.5. notbut不是你而是TO
